/*
    默认样式
    用来清除浏览器的默认样式
    比如：清除内外边距，清除浮动，让元素自适应屏幕等
*/
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body,
textarea,
input,
select,
option {
    font-size: 14px;
    color: #333;
    font-family: "微软雅黑", "黑体", "宋体";
    -webkit-font-smoothing: antialiased;
    background-color: #ecf0f3;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
blockquote,
ol,
ul,
dl,
dd,
p,
textarea,
input,
select,
option,
form {
    margin: 0;
}

ol,
ul,
textarea,
input,
option,
th,
td {
    padding: 0;
}

table {
    border-collapse: collapse;
}

li {
    /* 清除默认的li样式 */
    list-style-type: none;
}

img {
    pointer-events: none;
}

a {
    /*清除默认的a样式*/
    text-decoration: none;
    color: #333;
}